package com.atguigu.gulimall.ware.config;

import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class RabbitmqConfig {

    @Autowired
    RabbitTemplate rabbitTemplate;

    /**
     * json序列化
     */
    @Bean
    public MessageConverter RabbitmqConvertJSON(){
        return new Jackson2JsonMessageConverter();
    }

    @Bean
    public Exchange StockEventExchange(){
        //TopicExchange(String name, boolean durable, boolean autoDelete, Map<String, Object> arguments)
        return new TopicExchange("stock-event-exchange",true,false);
    }

    @Bean
    public Queue StockReleaseStockQueue(){
        //Queue(String name, boolean durable, boolean exclusive, boolean autoDelete)
        return new Queue("stock.release.stock.queue",true,false,false);
    }

    @Bean
    public Queue StockDelayQueue(){
        Map<String,Object> map = new HashMap<>();
        //死信路由exchange
        map.put("x-dead-letter-exchange","stock-event-exchange");
        //死信routing-key
        map.put("x-dead-letter-routing-key","stock.release");
        //time to live
        map.put("x-message-ttl",120000);
        return new Queue("stock.delay.queue",true,false,false,map);
    }

    @Bean
    public Binding StockLocked(){
        //Binding(String destination, Binding.DestinationType destinationType, String exchange, String routingKey, Map<String, Object> arguments)
        return new Binding("stock.delay.queue", Binding.DestinationType.QUEUE,"stock-event-exchange","stock.locked",null);
    }

    @Bean
    public Binding StockRelease(){
        return new Binding("stock.release.stock.queue",Binding.DestinationType.QUEUE,"stock-event-exchange","stock.release.#",null);
    }

}
